Java RGB Color Convert To rgbToHsl(byte red, byte green, byte blue)

Description

rgb To Hsl

License

Open Source License

Declaration

private static double[] rgbToHsl(byte red, byte green, byte blue) 

Method Source Code

//package com.java2s;

public class Main {
    private static double[] rgbToHsl(byte red, byte green, byte blue) {
        final double r = (red & 0xff) / 255d;
        final double g = (green & 0xff) / 255d;
        final double b = (blue & 0xff) / 255d;
        final double max = Math.max(Math.max(r, g), b);
        final double min = Math.min(Math.min(r, g), b);
        double h = 0d, s = 0d, l = (max + min) / 2d;
        if (max == min) {
            h = s = 0d; //gray scale
        } else {//from  ww w.  j  a  v  a  2 s. co m
            final double d = max - min;
            s = l > 0.5 ? d / (2d - max - min) : d / (max + min);
            if (max == r) {
                h = (g - b) / d + (g < b ? 6d : 0d);
            } else if (max == g) {
                h = (b - r) / d + 2d;
            } else if (max == b) {
                h = (r - g) / d + 4d;
            }
            h /= 6d;
        }
        return new double[] { h, s, l };
    }
}

Related

1. RGBToHex(int[] rgb)
2. rgbToHex(String color)
3. RGBtoHSB(int r, int g, int b, float hsbvals[])
4. RGBtoHSB(int r, int g, int b, float[] hsbvals)
5. RGBtoHSB(int red, int green, int blue, float hsb[])
6. RgbToHsl(float r, float g, float b, float a)
7. rgbToHsl(float[] rgb)
8. RGBtoHSL(int r, int g, int b)
9. RGBtoHSL(int r, int g, int b)